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毒素性大肠杆菌(ETEC),能引起人和动物腹泻。它在生长繁殖过程中能释放耐热肠毒素(ST)和不耐热肠毒素(LT)两种。一般认为,人类ETEC腹泻主要是LT所致,其临床表现类似霍乱。近年(1984～1985)有人证明ST大肠杆菌也能引起重症腹泻。作者于1988年7月15、16日从门诊急性腹泻者水样便中检出两株只产ST肠毒素大肠杆菌,现简要报告如下。
Toxic E. coli (ETEC), can cause diarrhea in humans and animals. It can release both heat-labile enterotoxin (ST) and heat-labile enterotoxin (LT) during the process of growth and reproduction. Generally believed that human ETEC diarrhea is mainly caused by LT, its clinical manifestations similar to cholera. In recent years (1984 ~ 1985) it was confirmed that ST Escherichia coli can also cause severe diarrhea. The author in July 15, 1988 from the outpatient acute diarrhea in water samples were detected only two ST toxin enterotoxigenic Escherichia coli, are briefly reported as follows.